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Geographic distribution of participants in the primary (long-term) study groups 1.
| United States Census Region |
Long-Term Long COVID Group |
Long-Term Control Group |
|---|---|---|
| Region 1: Northeast—no. | 10 | 4 |
| Region 2: Midwest—no. | 5 | 3 |
| Region 3: South—no. | 5 | 6 |
| Region 4: West—no. | 10 | 7 |
1 We tested the null hypothesis that the distribution of subjects in each of the groups was not different using Fisher’s exact test (p = 0.65).
